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    • Wafl memory utilization keeps fluctuating
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Wafl_memory_utilization_keeps_fluctuating
      Applies to FAS arrays over FCP ONTAP 9.4 and later version Issue Multiple EMS events can be seen over time where wafl memory utilization fluctuates and availability varies from 1 GB to 3 GB wafl.memor...Applies to FAS arrays over FCP ONTAP 9.4 and later version Issue Multiple EMS events can be seen over time where wafl memory utilization fluctuates and availability varies from 1 GB to 3 GB wafl.memory.statusLowMemory wafl.memory.statusVeryLowMemory Performing TO/GB clears the thread and events were not seen for few days but fix is to upgrade the ONTAP to the fixed version
    • Weekly ASUP fails : duplicate payload body filename
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Weekly_ASUP_fails___duplicate_payload_body_filename
      Applies to ONTAP 9 Issue Sending Autosupport fails with an error. : asup asup_create_manifest failed (ASUP xx): The AutoSupport generation failed due to a duplicate payload body filename( ))
    • Sluggish response on Hyper-V VMs, logging Event ID 129
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Sluggish_response_on_Hyper_V_VMs_logging_Event_ID_129
      Applies to ONTAP 9 Clustered Data ONTAP 8.3 and later Microsoft Hyper-V Issue After upgrade to clustered Data ONTAP 8.3 or later, Hyper-V VMs respond sluggishly and Event ID 129 is being logged inside...Applies to ONTAP 9 Clustered Data ONTAP 8.3 and later Microsoft Hyper-V Issue After upgrade to clustered Data ONTAP 8.3 or later, Hyper-V VMs respond sluggishly and Event ID 129 is being logged inside the VM's Windows event log. The Windows event logs of the Hyper-V host are clean.
    • SnapMirror update fails with error Logical transfer is not allowed to physical mirror volume
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/SnapMirror_update_fails_with_error_Logical_transfer_is_not_allowed_to_physical_mirror_volume
      Applies to ONTAP 9 SnapMirror Issue A SnapMirror update fails with the following error Sat Mar 24 12:05:00 EST [node01: sm_logger_main: smc.snapmir.update.fail:error]: Snapmirror update from source vo...Applies to ONTAP 9 SnapMirror Issue A SnapMirror update fails with the following error Sat Mar 24 12:05:00 EST [node01: sm_logger_main: smc.snapmir.update.fail:error]: Snapmirror update from source volume 'svm01:vol01' to destination volume 'svm01_DR:vol01' failed with error 'Logical transfer is not allowed to physical mirror volume svm01_DR:vol01.'
    • ONTAP System Manager is unresponsive after login with error: "Loading system details"
      https://kb.netapp.com/Legacy/OnCommand_Suite/OnCommand_System_Manager_is_unresponsive_after_login_with___Loading_system_details
      ONTAP System Manager ONTAP 9.3P3 ONTAP 9.4RC1 ONTAP 9.4 After entering valid username and password and logging in, System Manager freezes up with a pop-up box with the message, "Loading system details...ONTAP System Manager ONTAP 9.3P3 ONTAP 9.4RC1 ONTAP 9.4 After entering valid username and password and logging in, System Manager freezes up with a pop-up box with the message, "Loading system details..." as shown in the screen capture below. The user cannot access the System Manager dashboard thereafter, but is able to SSH into the cluster through different shells as needed. The user can also log into the SPI both through the IP addresses of the cluster management LIF and node management LIF.
    • System Manager Cluster Guided Setup Templates
      https://kb.netapp.com/on-prem/ontap/DM/System_Manager/SM-KBs/System_Manager_Cluster_Guided_Setup_Templates
      Applies to ONTAP 9.7 and earlier System Manager 9.7 and earlier Description System Manager (up to and including the 9.7 release) provides a Guided Setup feature that can use a pre-populated template f...Applies to ONTAP 9.7 and earlier System Manager 9.7 and earlier Description System Manager (up to and including the 9.7 release) provides a Guided Setup feature that can use a pre-populated template file. Set up a cluster by using the template file in System Manager - ONTAP 9.7 and earlier Completed template files used in the cluster setup may be retained for setup/configuration documentation purposes.
    • ONTAP 9.3P4 and later require IBM Spectrum Protect 8.1.7 and later for SnapLock feature
      https://kb.netapp.com/on-prem/ontap/DP/SnapLock/SnapLock-KBs/ONTAP_9.3P4_and_later_require_IBM_Spectrum_Protect_8.1.7_and_later_for_SnapLock_feature
      Applies to ONTAP 9.3P4 and later IBM Spectrum Protect (TSM) SnapLock Issue SnapLock backups fail during the verification of SnapLock volume
    • Amber LED after disk replacement due to disk autoassign misconfiguration
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Amber_LED_after_disk_replacement_due_disk_autoassign_misconfiguration
      Applies to All FAS/AFF platforms. ONTAP 9 Issue After disk replacement the Amber LED is ON Fault status reported by drive: cluster::> system node run -node node1 -command storage show fault -v 18 [Bay...Applies to All FAS/AFF platforms. ONTAP 9 Issue After disk replacement the Amber LED is ON Fault status reported by drive: cluster::> system node run -node node1 -command storage show fault -v 18 [Bay 18]: OK 01,12,00,20 FAULT REQSTD
    • ONTAP upgrade from 9.4x to 9.5x fails at the "Ciphers Upgrade Task"
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/ONTAP_upgrade_from_9_4x_to_9_5x_fails_at_the_Ciphers_Upgrade_Task
      Cluster upgrade is in a paused-on-error state and the following is seen when running cluster image show-update-progress: The update cannot continue until the error has been resolved. Resolve all issue...Cluster upgrade is in a paused-on-error state and the following is seen when running cluster image show-update-progress: The update cannot continue until the error has been resolved. Resolve all issues, then use the "cluster image resume-update" command to resume the update. Status Message: The upgrade aborted in the "post-apps" phase on task "Ciphers Upgrade Task". Contact support personnel for the upgrade repair procedure. Vers Phase Status Upgrade Phase Status Message
    • Vulnerability scanner reports Hidden RPC Services in ONTAP
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Vulnerability_scanner_reports_Hidden_RPC_Services_in_ONTAP
      Applies to ONTAP 9.4 and later Issue Vulnerability scanners may flag ONTAP 9 as having Hidden RPC Services
    • Nblade.vldb.LeakedBladeList:alert EMS Seen with Possible NFS Impact
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Nblade_vldb_LeakedBladeList_alert_EMS_Seen_with_Possible_NFS_Impact
      Applies to ONTAP 9.3 ONTAP 9.4 Issue Seeing the Nblade.vldb.LeakedBladeList:alert EMS alert Nblade.vldb.LeakedBladeList:alert]: GET operation issued by Nfs4LeasePrepareScanMatchingLocks on cached VLDB...Applies to ONTAP 9.3 ONTAP 9.4 Issue Seeing the Nblade.vldb.LeakedBladeList:alert EMS alert Nblade.vldb.LeakedBladeList:alert]: GET operation issued by Nfs4LeasePrepareScanMatchingLocks on cached VLDB blade list with references pending beyond expiry time. Being on ONTAP 9.3RC1 through 9.3P6 or 9.4RC1 through 9.4P1 One of the following issues may be experienced: NFSv4 clients are unable to connect to certain LIFs, usually after LIF migration NFSv3 client may see NLM locking requests rejected